178 lines
4.3 KiB
CMake
178 lines
4.3 KiB
CMake
cmake_minimum_required(VERSION 2.4.4)
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set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON)
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project(zlib C)
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if(NOT DEFINED BUILD_SHARED_LIBS)
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option(BUILD_SHARED_LIBS "Build a shared library form of zlib" ON)
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endif()
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include(CheckTypeSize)
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include(CheckFunctionExists)
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include(CheckIncludeFile)
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include(CheckCSourceCompiles)
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enable_testing()
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check_include_file(sys/types.h HAVE_SYS_TYPES_H)
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check_include_file(stdint.h HAVE_STDINT_H)
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check_include_file(stddef.h HAVE_STDDEF_H)
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#
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# Check to see if we have large file support
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#
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set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE)
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# We add these other definitions here because CheckTypeSize.cmake
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# in CMake 2.4.x does not automatically do so and we want
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# compatibility with CMake 2.4.x.
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if(HAVE_SYS_TYPES_H)
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list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H)
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endif()
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if(HAVE_STDINT_H)
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list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H)
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endif()
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if(HAVE_STDDEF_H)
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list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H)
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endif()
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check_type_size(off64_t OFF64_T)
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if(HAVE_OFF64_T)
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add_definitions(-D_LARGEFILE64_SOURCE)
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endif()
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set(CMAKE_REQUIRED_DEFINITIONS) # clear variable
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#
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# Check for fseeko
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#
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check_function_exists(fseeko HAVE_FSEEKO)
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if(NOT HAVE_FSEEKO)
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add_definitions(-DNO_FSEEKO)
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endif()
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#
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# Check for unistd.h
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#
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check_include_file(unistd.h HAVE_UNISTD_H)
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#
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# Check for errno.h
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check_include_file(errno.h HAVE_ERRNO_H)
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if(NOT HAVE_ERRNO_H)
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add_definitions(-DNO_ERRNO_H)
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endif()
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#
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# Check for mmap support
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#
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set(mmap_test_code "
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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caddr_t hello() {
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return mmap((caddr_t)0, (off_t)0, PROT_READ, MAP_SHARED, 0, (off_t)0);
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}
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int main() { return 0; }
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")
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check_c_source_compiles("${mmap_test_code}" USE_MMAP)
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if(USE_MMAP)
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add_definitions(-DUSE_MMAP)
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endif()
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#
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# Create the zlibdefs.h file.
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# Note: we create it in CMAKE_CURRENT_SOURCE_DIR instead
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# of CMAKE_CURRENT_BINARY_DIR because an empty zlibdefs.h
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# is shipped with zlib in the source tree.
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configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zlibdefs.h.cmakein
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${CMAKE_CURRENT_SOURCE_DIR}/zlibdefs.h)
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if(MSVC)
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set(CMAKE_DEBUG_POSTFIX "D")
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add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
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add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
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endif()
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#============================================================================
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# zlib
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#============================================================================
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set(ZLIB_PUBLIC_HDRS
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zconf.h
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zlib.h
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zlibdefs.h
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)
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set(ZLIB_PRIVATE_HDRS
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crc32.h
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deflate.h
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gzguts.h
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inffast.h
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inffixed.h
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inflate.h
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inftrees.h
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trees.h
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zutil.h
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)
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set(ZLIB_SRCS
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adler32.c
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compress.c
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crc32.c
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deflate.c
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gzclose.c
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gzio.c
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gzlib.c
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gzread.c
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gzwrite.c
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inflate.c
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infback.c
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inftrees.c
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inffast.c
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trees.c
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uncompr.c
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zutil.c
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)
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add_library(zlib ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
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set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL)
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set_target_properties(zlib PROPERTIES VERSION 1.2.3.4)
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set_target_properties(zlib PROPERTIES SOVERSION 1)
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if(UNIX)
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# On unix like platforms the library is almost always called libz
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set_target_properties(zlib PROPERTIES OUTPUT_NAME z)
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endif()
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if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
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install(TARGETS zlib
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RUNTIME DESTINATION bin
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ARCHIVE DESTINATION lib
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LIBRARY DESTINATION lib )
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endif()
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if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
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install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION include)
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endif()
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if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
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install(FILES zlib.3 DESTINATION share/man/man3)
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endif()
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#============================================================================
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# Example binaries
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#============================================================================
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add_executable(example example.c)
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target_link_libraries(example zlib)
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add_test(example example)
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add_executable(minigzip minigzip.c)
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target_link_libraries(minigzip zlib)
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if(HAVE_OFF64_T)
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add_executable(example64 example.c)
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target_link_libraries(example64 zlib)
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set_target_properties(example64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64")
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add_test(example64 example64)
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add_executable(minigzip64 minigzip.c)
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target_link_libraries(minigzip64 zlib)
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set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64")
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endif()
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